Proportion of rural population served with at least basic sanitation (%)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| マリ | 8.1 | 14.1 | 21.1 | 22.6 | 24.2 | 25.8 | 27.4 | 29.1 | 30.8 | 32.5 | 34.3 | 36.2 | 38.1 | 40.0 | 41.9 |
| コートジボワール | 7.3 | 9.9 | 13.1 | 13.8 | 14.5 | 15.2 | 15.9 | 16.7 | 17.4 | 18.2 | 18.9 | 19.7 | 20.5 | 21.1 | 21.7 |
| セネガル | 20.7 | 27.1 | 33.7 | 35.1 | 36.4 | 37.8 | 39.2 | 40.6 | 42.0 | 43.4 | 44.8 | 46.2 | 47.7 | 49.1 | 50.6 |
| トーゴ | 2.7 | 3.6 | 5.1 | 5.5 | 5.8 | 6.2 | 6.6 | 7.0 | 7.4 | 7.8 | 8.2 | 8.6 | 9.1 | 9.1 | 9.1 |
| ベナン | 2.2 | 3.6 | 5.3 | 5.7 | 6.1 | 6.5 | 6.9 | 7.3 | 7.8 | 8.2 | 8.7 | 9.2 | 9.6 | 9.6 | 9.6 |
| ブルキナファソ | 2.0 | 5.0 | 8.6 | 9.3 | 10.0 | 10.6 | 11.3 | 12.0 | 12.6 | 13.3 | 13.9 | 14.6 | 15.2 | 15.9 | 16.6 |
| ニジェール | 1.9 | 3.9 | 5.6 | 5.9 | 6.2 | 6.5 | 6.8 | 7.1 | 7.3 | 7.6 | 7.8 | 8.1 | 8.3 | 8.7 | 9.0 |
| ギニアビサウ | 1.0 | 1.5 | 5.9 | 6.8 | 7.8 | 8.7 | 9.6 | 10.5 | 11.4 | 12.4 | 13.3 | 14.3 | 15.2 | 16.2 | 16.2 |